Passy (; Savoyard: Pachi) is a commune in the Haute-Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France. It is part of the urban area of Sallanches.
Located there is the Sancellemoz sanatorium, where Professor Marie Skà Âodowska-Curie died in 1934.
Lac Vert is located in the commune. The commune has a railway station, , on the Saint-GervaisâÂÂVallorcine line.